And we can't create it, we would need an awful lot of resources, voluminous wallets and energy to do so. It's nature that does it, and nature has its own time scales for it, and recycle it into oceans and then back by weathering.
less dust means more topsoil staying, doesn't it? But it also adds to a warming. While also seems to be part of what has made our earth livable, those atmospheric dust movements, seeding cloud formations.